2132431330 has 8 divisors (see below), whose sum is σ = 3838376412. Its totient is φ = 852972528.

The previous prime is 2132431303. The next prime is 2132431333. The reversal of 2132431330 is 331342312.

It can be written as a sum of positive squares in 2 ways, for example, as 2099564041 + 32867289 = 45821^2 + 5733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2132431333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106621557 + ... + 106621576.

Almost surely, 2^2132431330 is an apocalyptic number.

2132431330 is a deficient number, since it is larger than the sum of its proper divisors (1705945082).

2132431330 is a wasteful number, since it uses less digits than its factorization.

2132431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213243140.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2132431330 is about 46178.2560303007. The cubic root of 2132431330 is about 1287.1377216801.

Adding to 2132431330 its reverse (331342312), we get a palindrome (2463773642).

The spelling of 2132431330 in words is "two billion, one hundred thirty-two million, four hundred thirty-one thousand, three hundred thirty".